Home / 187,351.42-280,830.30-116,273.92

Finding the Fourth Proportional to 187,351.42, 280,830.30 and 116,273.92

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Solution

The fourth proportional to 187,351.42, 280,830.30 and 116,273.92 is: 174,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,351.42 : 280,830.30 = 116,273.92 : x
  2. Step 2: Convert to fraction form
    187,351.42/280,830.30 = 116,273.92/x
  3. Step 3: Cross multiply
    187,351.42x = 280,830.30 × 116,273.92
  4. Step 4: Simplify right side
    187,351.42x = 32,653,239,835.78
  5. Step 5: Solve for x
    x = 32,653,239,835.78/187,351.42
  6. Step 6: Final answer
    x = 174,288.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.